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<FONT color="green">001</FONT>    /* <a name="line.1"></a>
<FONT color="green">002</FONT>     Copyright 2009 Regents of the University of Colorado.  <a name="line.2"></a>
<FONT color="green">003</FONT>     All rights reserved. <a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>     Licensed under the Apache License, Version 2.0 (the "License"); <a name="line.5"></a>
<FONT color="green">006</FONT>     you may not use this file except in compliance with the License. <a name="line.6"></a>
<FONT color="green">007</FONT>     You may obtain a copy of the License at <a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>     http://www.apache.org/licenses/LICENSE-2.0 <a name="line.9"></a>
<FONT color="green">010</FONT>    <a name="line.10"></a>
<FONT color="green">011</FONT>     Unless required by applicable law or agreed to in writing, software <a name="line.11"></a>
<FONT color="green">012</FONT>     distributed under the License is distributed on an "AS IS" BASIS, <a name="line.12"></a>
<FONT color="green">013</FONT>     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <a name="line.13"></a>
<FONT color="green">014</FONT>     See the License for the specific language governing permissions and <a name="line.14"></a>
<FONT color="green">015</FONT>     limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>    */<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    package org.uutuc.util;<a name="line.18"></a>
<FONT color="green">019</FONT>    <a name="line.19"></a>
<FONT color="green">020</FONT>    import java.io.File;<a name="line.20"></a>
<FONT color="green">021</FONT>    import java.io.FileInputStream;<a name="line.21"></a>
<FONT color="green">022</FONT>    import java.io.IOException;<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>    import org.apache.uima.cas.CAS;<a name="line.24"></a>
<FONT color="green">025</FONT>    import org.apache.uima.cas.impl.XCASDeserializer;<a name="line.25"></a>
<FONT color="green">026</FONT>    import org.apache.uima.cas.impl.XCASSerializer;<a name="line.26"></a>
<FONT color="green">027</FONT>    import org.apache.uima.cas.impl.XmiCasDeserializer;<a name="line.27"></a>
<FONT color="green">028</FONT>    import org.apache.uima.cas.impl.XmiCasSerializer;<a name="line.28"></a>
<FONT color="green">029</FONT>    import org.apache.uima.collection.CollectionException;<a name="line.29"></a>
<FONT color="green">030</FONT>    import org.apache.uima.collection.CollectionReader_ImplBase;<a name="line.30"></a>
<FONT color="green">031</FONT>    import org.apache.uima.resource.ResourceInitializationException;<a name="line.31"></a>
<FONT color="green">032</FONT>    import org.apache.uima.util.Progress;<a name="line.32"></a>
<FONT color="green">033</FONT>    import org.apache.uima.util.ProgressImpl;<a name="line.33"></a>
<FONT color="green">034</FONT>    import org.xml.sax.SAXException;<a name="line.34"></a>
<FONT color="green">035</FONT>    <a name="line.35"></a>
<FONT color="green">036</FONT>    /**<a name="line.36"></a>
<FONT color="green">037</FONT>     * &lt;br&gt;<a name="line.37"></a>
<FONT color="green">038</FONT>     * <a name="line.38"></a>
<FONT color="green">039</FONT>     * This collection reader allows one to read in a single XMI or XCAS file. It's<a name="line.39"></a>
<FONT color="green">040</FONT>     * primary purpose is to help out a couple JCasFactory create methods.  However,<a name="line.40"></a>
<FONT color="green">041</FONT>     * it is also used for this project unit tests as an example collection reader.  <a name="line.41"></a>
<FONT color="green">042</FONT>     * <a name="line.42"></a>
<FONT color="green">043</FONT>     * @author Steven Bethard, Philip Ogren<a name="line.43"></a>
<FONT color="green">044</FONT>     */<a name="line.44"></a>
<FONT color="green">045</FONT>    public class SingleFileXReader extends CollectionReader_ImplBase {<a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>            /**<a name="line.47"></a>
<FONT color="green">048</FONT>             * "FileName" is a single, required, string parameter that takes either the<a name="line.48"></a>
<FONT color="green">049</FONT>             * name of a single file or the root directory containing all the files to<a name="line.49"></a>
<FONT color="green">050</FONT>             * be processed.<a name="line.50"></a>
<FONT color="green">051</FONT>             */<a name="line.51"></a>
<FONT color="green">052</FONT>            public static final String PARAM_FILE_NAME = "org.uutuc.util.SingleFileXReader.PARAM_FILE_NAME";<a name="line.52"></a>
<FONT color="green">053</FONT>    <a name="line.53"></a>
<FONT color="green">054</FONT>            /**<a name="line.54"></a>
<FONT color="green">055</FONT>             * "XMLScheme" is a single, optional, string parameter that specifies the<a name="line.55"></a>
<FONT color="green">056</FONT>             * UIMA XML serialization scheme that should be used. Valid values for this<a name="line.56"></a>
<FONT color="green">057</FONT>             * parameter are "XMI" (default) and "XCAS".<a name="line.57"></a>
<FONT color="green">058</FONT>             * <a name="line.58"></a>
<FONT color="green">059</FONT>             * @see XmiCasSerializer<a name="line.59"></a>
<FONT color="green">060</FONT>             * @see XCASSerializer<a name="line.60"></a>
<FONT color="green">061</FONT>             */<a name="line.61"></a>
<FONT color="green">062</FONT>            public static final String PARAM_XML_SCHEME = "org.uutuc.util.SingleFileXReader.PARAM_XML_SCHEME";<a name="line.62"></a>
<FONT color="green">063</FONT>    <a name="line.63"></a>
<FONT color="green">064</FONT>            public static final String XMI = "XMI";<a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>            public static final String XCAS = "XCAS";<a name="line.66"></a>
<FONT color="green">067</FONT>    <a name="line.67"></a>
<FONT color="green">068</FONT>            private boolean useXMI = true;<a name="line.68"></a>
<FONT color="green">069</FONT>    <a name="line.69"></a>
<FONT color="green">070</FONT>            private boolean hasNext = true;<a name="line.70"></a>
<FONT color="green">071</FONT>    <a name="line.71"></a>
<FONT color="green">072</FONT>            private File file;<a name="line.72"></a>
<FONT color="green">073</FONT>    <a name="line.73"></a>
<FONT color="green">074</FONT>            @Override<a name="line.74"></a>
<FONT color="green">075</FONT>            public void initialize() throws ResourceInitializationException {<a name="line.75"></a>
<FONT color="green">076</FONT>                    super.initialize();<a name="line.76"></a>
<FONT color="green">077</FONT>    <a name="line.77"></a>
<FONT color="green">078</FONT>                    // get the input directory<a name="line.78"></a>
<FONT color="green">079</FONT>                    String fileName = (String) this.getUimaContext().getConfigParameterValue(PARAM_FILE_NAME);<a name="line.79"></a>
<FONT color="green">080</FONT>    <a name="line.80"></a>
<FONT color="green">081</FONT>                    if (fileName == null) {<a name="line.81"></a>
<FONT color="green">082</FONT>                            throw new ResourceInitializationException(ResourceInitializationException.CONFIG_SETTING_ABSENT,<a name="line.82"></a>
<FONT color="green">083</FONT>                                            new Object[] { PARAM_FILE_NAME });<a name="line.83"></a>
<FONT color="green">084</FONT>                    }<a name="line.84"></a>
<FONT color="green">085</FONT>                    file = new File(fileName);<a name="line.85"></a>
<FONT color="green">086</FONT>    <a name="line.86"></a>
<FONT color="green">087</FONT>                    String xmlScheme = (String) this.getUimaContext().getConfigParameterValue(PARAM_XML_SCHEME);<a name="line.87"></a>
<FONT color="green">088</FONT>    <a name="line.88"></a>
<FONT color="green">089</FONT>                    if (xmlScheme.equals(XMI)) useXMI = true;<a name="line.89"></a>
<FONT color="green">090</FONT>                    else if (xmlScheme.equals(XCAS)) useXMI = false;<a name="line.90"></a>
<FONT color="green">091</FONT>                    else throw new ResourceInitializationException(String.format(<a name="line.91"></a>
<FONT color="green">092</FONT>                                    "parameter '%1$s' must be either '%2$s' or '%3$s' or left empty.", PARAM_XML_SCHEME, XMI, XCAS), null);<a name="line.92"></a>
<FONT color="green">093</FONT>    <a name="line.93"></a>
<FONT color="green">094</FONT>            }<a name="line.94"></a>
<FONT color="green">095</FONT>    <a name="line.95"></a>
<FONT color="green">096</FONT>            public void getNext(CAS cas) throws IOException, CollectionException {<a name="line.96"></a>
<FONT color="green">097</FONT>                    FileInputStream inputStream = new FileInputStream(file);<a name="line.97"></a>
<FONT color="green">098</FONT>    <a name="line.98"></a>
<FONT color="green">099</FONT>                    try {<a name="line.99"></a>
<FONT color="green">100</FONT>                            if (useXMI) XmiCasDeserializer.deserialize(inputStream, cas);<a name="line.100"></a>
<FONT color="green">101</FONT>                            else XCASDeserializer.deserialize(inputStream, cas);<a name="line.101"></a>
<FONT color="green">102</FONT>                    }<a name="line.102"></a>
<FONT color="green">103</FONT>                    catch (SAXException e) {<a name="line.103"></a>
<FONT color="green">104</FONT>                            throw new CollectionException(e);<a name="line.104"></a>
<FONT color="green">105</FONT>                    }<a name="line.105"></a>
<FONT color="green">106</FONT>                    finally {<a name="line.106"></a>
<FONT color="green">107</FONT>                            inputStream.close();<a name="line.107"></a>
<FONT color="green">108</FONT>                    }<a name="line.108"></a>
<FONT color="green">109</FONT>    <a name="line.109"></a>
<FONT color="green">110</FONT>                    inputStream.close();<a name="line.110"></a>
<FONT color="green">111</FONT>                    hasNext = false;<a name="line.111"></a>
<FONT color="green">112</FONT>            }<a name="line.112"></a>
<FONT color="green">113</FONT>    <a name="line.113"></a>
<FONT color="green">114</FONT>            public void close() throws IOException {<a name="line.114"></a>
<FONT color="green">115</FONT>    <a name="line.115"></a>
<FONT color="green">116</FONT>            }<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>            public Progress[] getProgress() {<a name="line.118"></a>
<FONT color="green">119</FONT>                    if (hasNext) {<a name="line.119"></a>
<FONT color="green">120</FONT>                            return new Progress[] { new ProgressImpl(0, 1, ProgressImpl.ENTITIES) };<a name="line.120"></a>
<FONT color="green">121</FONT>                    }<a name="line.121"></a>
<FONT color="green">122</FONT>                    return new Progress[] { new ProgressImpl(1, 1, ProgressImpl.ENTITIES) };<a name="line.122"></a>
<FONT color="green">123</FONT>            }<a name="line.123"></a>
<FONT color="green">124</FONT>    <a name="line.124"></a>
<FONT color="green">125</FONT>            public boolean hasNext() throws IOException, CollectionException {<a name="line.125"></a>
<FONT color="green">126</FONT>                    return hasNext;<a name="line.126"></a>
<FONT color="green">127</FONT>            }<a name="line.127"></a>
<FONT color="green">128</FONT>    <a name="line.128"></a>
<FONT color="green">129</FONT>    }<a name="line.129"></a>




























































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